New 5th wheel and towing issues

Hi everybody it's been a few months since imposted but I'm back ...we have not actually towed our 5th wheel with the truck since we got it fixed in the fall.....we are actually now in a position to upgrade our tow vehicle to a newer model and are currently looking ...we knew we were pushing Our weight limit but didn't think we would be able to upgrade this fast therefore we had put all the money into our current tow vehicle in the fall .....hopefully we can sell it out right. We came across the below listing this. B ,n j. morning and are interested in checking it out ....is this truck ......going to be more than enough tow vehicle for our current fifth wheel..thanks

2012 Ram 3500 Laramie, Crew Cab, Dually

GVCW rating of 30,000 lbs
Curb weight approx. 8,500 lbs
Max trailer weight approx. 21,500 lbs

Truck is still under factory powertrain warranty. 5 year 100,000 miles

The truck is flawless inside and out.

Some of its options are:

- Legendary HO Cummins 6.7L Diesel Engine with 800ftlb of Torque (All stock, never chipped)
- 6 Speed Automatic Transmission
- Factory Exhaust brake
- Factory Trailer brake controller
- 4WD
- Hidden goose neck hitch
- Class IV bumper hitch
- 17" Polished aluminum Alcoa wheels
- Power leather heated and cooled seats
- Heated leather steering wheel
- Navigation with DVD player
- Back-up camera and sensors
- Blue tooth U-connect system with satellite radio and factory subwoofer
- Power windows and locks
- Power and heated towing mirrors
- Power pedals
- Spray-in bed liner