I doubt you will notice that much difference unless the trailer is configured very differently ( axle placement, weight distribution etc.) If you are trading to go a couple feet shorter you are wasting your $ but if it is a better floor plan that you think will work better that's different. Just my opinion you would need to drop below 26 feet & drop over 2000 lbs to notice a big difference.
Dry weight is a confusing number, it is empty weight & that weight one time when it is coming from the factory & sitting on the dealer lot.... it weighs much more any time after it comes home. You should go to the scales & weigh your set up loaded ready to camp.
Over the years we went from a 22 foot to a 23 foot, to a 25 foot towing (pulling) wise not great differences but now we have a 36 foot it was a much larger difference.