The 1500's have plenty of power but lack the payload for many toy hauler hitch weights if you also load the truck up with supplies or people. Check your actual loaded tongue weight and receiver capacity - You may be in for a surprise. I went the other direction from a F250 to a 5500. The 5500 can haul a car on the deck and still have enough axle capacity to drag along the largest bumper pull toy hauler. Right now I carry 2 tons on the deck while towing 4 tons, but I have plans to be carrying a ton more in the next few years.
My buggy built off a VW Bus:

My previous setup:

My current setup:
