Welcome from Utah County. Odd similarities for us! Bought our first TT in August. We're also TX natives, and tomorrow marks five years living in Utah.
Gas mileage is bad when towing, so get used to it. There are a couple things that make it especially bad, and we fight them all here.
No forced induction
Keep your speeds under 65(that's what your trailer tires are rated for), and be easy on the throttle when you can.
2014 Ram 2500 Mega Cab Laramie 4x4 6.4L HEMI 4.10s with antispin
2014 Jayco Jay Flight Swift 287BHBE
Equal-i-zer 90-00-1200(new 90-02-4900 shank)
2x Honda 2K