Your Tundra will do fine. I pull a 26 foot toy hauler with 4wheelers. Dry it is around 8500. Loaded it is around 10000. With an equilizer hitch it handles great. Stops well and maintains 65 - 70 as well. I only get 8 - 10 mpg when towing. I think air bags would help keep it level. Take a pic with it connected and let us see.
Here is a pic.
