Raising 5'er for Ram 2500

Ok, so I have had a potential deal fall into my lap. I have the opportunity to buy a very slightly used 2015 Ram 2500 Tradesman 4x4 with the Cummins at a very good deal (but that's another story). I test drove it to the house and upon inspection of the truck and backing under the 5th I know see what everyone's issue is with the rear end being so tall. There is no way that I could tow my camper with it without sitting very nose high and having minimum bed rail clearance. My 5th already has the leafs above the axle so a flip is out of the question, and tire clearance will not allow for bigger tires and wheels which would not give the needed amount of lift needed anyway. My rig also has the Equa Flex Trailair suspension too and Secure Stance. So what exactly can I do to raise the 5th the approximate 3in or so needed for a level or close to level ride? I've read about cutting the suspension loose and welding tubing to the frame and re-attaching the suspension, but that seems expensive and labor intensive. I really like this truck and the money is right. But I also am not at all dissatisfied with my current TV and wasn't really looking to change, this Ram sorta just fell in my lap. So any ideas on cost effective ways to raise the 5th and keep the suspension and components safely in specs. Or is it just gonna be better to keep the current TV and press on and not spend the money and have the headaches? Im really confused on what to do as the Ram with the 6.7 is stupid strong and looks great! And I can get it for roughly the same I owe on the current TV after trading or selling my current TV.

Decisions, Decisions!