I would think that you shouldn't have too many problems. You will be 1200 pounds under your tow rating, even with the mpg fully loaded. You may not go up the hills as quickly as you would without a trailer, but that is to be expected. Just for grins, add your Jeep's gross weight to the 3800 pounds for the mpg and divide that total by the 290 hp your car claims. If that number is less than 30, you are under a very old rule of thumb for a yes/no decision on engine towing capability. In other words, each horsepower should be able to move 30 pounds.