I have a 29TE travel trailer, it's 6100 lbs empty, 7700 lbs loaded, my truck is a 2wd 5.3 V8 with the HD transmission cooling package, and towing package. It's a sylverado 1/2 ton 2010 crew cab, the d...
You appear to be well within your limits on cargo capacity and towing capacity, with less wiggle room on cargo capacity.
My advice is to try it for a season, in the type of travelling you normally do, and see how you like it.
Everyone has different ideas of acceptable towing. I don't feel a need to climb a mountain at 65 mph---that's what the right lane is for. If you are in it, you will not be alone. But if that's important to you, you are likely to need a bigger truck.