You may have made the correct choice.
When I was looking for a toy hauler, one dealer tried to convince me to buy a Raptor toy hauler, claiming it was 1/2 ton towable. Well, it was just barely below the tow capacity rating for my pickup ... EMPTY!
A fellow I know had a nice toy hauler he pulled with his 3/4 ton pickup and when he traded for a new unit, dealer told him his 3/4 ton would pull it just fine. That proved to be false. He finally had to buy a new truck to pull the new, heavier toy hauler that cost him way more than he wanted to spend.
ALWAYS know the rated capabilities of your tow vehicle BEFORE looking to purchase a different camper 'cause the salesperson works on a commission.