Appropriate tow vehile

This is a math problem. You need to know a few things. the weight of the TT loaded for travel (water, food, gear, etc). You need to know the GCWR (gross combined weight rating) of the tow vehicle and you need to know the tow vehicle's weight - with people, fuel gear. The difference of the GCWR and the weight of your tow vehicle will tell you your capacity. If that is more than the weight of the loaded travel trailer, you are good to go. You hav eto be careful with advertised towing capacity on trucks. They do not account for fuel, gear, people etc. 4 people and gear can easily chew up 1,000 lbs. Then there is the trim level. Everything that is added to the truck adds weight and thus decreases your capacity. Then there is hitch and tow ratings for the tow vehicle itself. It is always the lesser of these factors. You are talking about a 30 foot travel trailer weighing almost 8,500 lbs dry and empty. That's a lot of trailer. I would give the salesperson an earful. Unsafe with the Cherokee is an understatement. I am not sure a 1500 series truck has enough capacity. But you can look those figures up on line. You probably need a truck with at least 10k capacity. Most 150/1500 series hover around 6-10k depending on how equipped. You cannot have too much truck. It's easy to have too little as you are finding out.