Bear in mind that if you increase the outside diameter of your tires, you will reduce the effectiveness of the trailer brakes because the length of the "moment arm" is now longer. You could likely increase the rim size and find a tire size that resulted in the same outside diameter - what the tire shops call up-sizing, and it shouldn't change the braking.
Our 2014 Cherokee came with tires I've never heard of and only got 2 hits on Google. I replaced them 6 weeks later with E-rated Maxxis tires and moved their loading from 97% to 80% of rated max capacity.
2014 Cherokee 264L, 2013 Tundra DC - Flex, 4wd, tow pkg, TRD pkg, Prodigy 2, 10K Equal-izer,