If you are running truck tires, they will have the letters "LT" in front of the tire size, like LT265/17. Dueler H/T is just the tire brand name. If there is, for example, a P265/17, that's a passenger car tire.
Just remember to have a GMRS or CB radio to call for assistance, if needed. You cannot rely on cell signal. Tell someone where you going and when you expect to be back.
Your stock Jeep is a very capable vehicle. The right tires and knowing your limitations can go a long way. Also, you need to...