Bklyncat58:
First, ignore all those dry weight numbers; they're for suckers. It's the weight of a trailer with no options; your trailer never really weighed that number.
The best way to know what you've got is to load it up like you're going camping and take it to a CAT scale and weigh it. Then you'll know it's exact axle weight and tongue weight, as well as your tow vehicle (TV) axle weights both loaded and unloaded.
Assuming you haven't yet been able to load it up, I would suggest the following to kind of figure out where you might be (which you really should have done before you signed the papers):
Look on the left side of the trailer; there will be a white sticker that lists the gross vehicle weight rating (GVWR) of the trailer. This is the max the trailer can weigh. Below is a pic of the one on my Mini-Lite:
Since you haven't actually weighed it, most folks assume a tongue weight of 12-15% of the GVWR. Adding the unloaded weight and the cargo capacity from your spec sheet, I'm going to
guess your GVWR is 8970 lbs. So if we assume 12% of GVWR, then your tongue weight will be around 1076 lbs. I don't know what kind of hitch you have. I'm hoping it's a weight distribution hitch. (If not, you should get one.) WDH's run 75-100 lbs; let's assume 75 lbs. So now your tongue weight is 1076 + 75 = 1151 lbs.
Now open the drivers door of your Silverado and look at the tire sticker. I've attached my 2009 Silverado 1500's below.
It will tell you what your payload limit is. I've circled mine in red - it's 1511 lbs. We'll assume yours is the same for the moment.
Now we'll take your tongue weight of 1151 lbs and subtract it from the payload limit of 1511 lbs and we get 360 lbs. This 360 lbs is what's left of your payload capacity to cover the driver, the wife, the kids, the dog, and any other "stuff" you put in the truck.
As you can see, you don't have a lot left over, and many/most people like to keep 20% margin to their limits.
You should also check your Silverado's owners manual and see what it says your towing capacity is for your EXACT Silverado. My 2009 owners manual listed ninety-nine (yes, 99!!) versions of the Silverado 1500, depending on engine, cab size, bed size, transmission, etc. etc, and the towing capacity ranged from 4000 lbs to 12000 lbs. That's a pretty big spread; you need to know exactly what number YOUR Silverado is good for.
And if it isn't obvious yet, most tow vehicles run out of payload before they run out of towing capacity.
So I suggest if you're now looking at a 3/4 ton, do all the same math as above, just to make sure you're still OK (you should be).