As I said in my previous post, I used to own a hybrid TT that was almost the same length and weight as the OP's.
I had no issues towing it with a 2007 Avalanche 5.3 v-8. I towed it over the Sierras, the Rockies, the Cascades and the Siskiyous for 10 years.
The Avalanche never had any problems towing the hybrid nor did it feel underpowered.
So the OP doesn't need a 3/4 ton for this type of trailer, especially since they're downsizing. They've had bigger trucks and trailers so they aren't newbies.
But I do wish I had my current F150 3.5 Ecoboost back then. I love this truck.
