That is a 2,300 mile trip
Oregon, Dallas, Houston
When was your last ..
Oil, Filters Oil & Fuel change
Tire Rotation, check spare tire pressure
( many dealerships have long appointment times, even for regular maintenance )
You will be driving into 90 - 110°F Temps
Carry water or other liquids, iced or ....
Does your auto insurance cover Road Service
I carry AAA
Personally, i carry a laptop with me
I check my next days routing, your Ram i believe has Tom Tom maps
I check Garmin Maps, to look for a better route
If you are towing, others will chime in ................