I also have the same camper, with my 2500 CTD and its not that nose high. I've already towed mine over 900 miles.
Maybe you should look into suspension settings & hitch options 1st, before changing campers. Also I have the 16" upgrade wheel package.
2013 Ram 2500, 6.7 CTD, CCLB 4x4 in True Blue.
B&W Turnover Ball, Andersen Ultimate Hitch (v2)
2016 Eagle HT 29.5 BHDS Picked-up 4/1/16
2007 Rockwood ROO 21SS - SOLD