Dodge 2007 Ram Chassis Cab - Manual (Page 388)

The manufacturer recommends towing with all wheels
OFF
the ground. Acceptable methods are to tow vehicle
on a flatbed or with one end of vehicle raised and the
opposite end on a towing dolly.
2–Wheel- Drive Vehicles
Provided that transmission is operable, tow on a flatbed
or with the front wheels raised and the rear wheels on a
dolly.
388 WHAT TO DO IN EMERGENCIES