If I were you I would look for a Ford 8.8 or Dana 44 for the rear and add a rear locker. open diffs would get you to far but if you lock that Dana 35 you will blow it up and will not be able to drive it.
Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer