got a few questions about my suburban

[big_bad_jeep]

i got a 89 half ton suburban its nice rig i like it alot. well last night i was driving it and the rear end locked up and desinagrated and the driver tire and wheel and axel came off and my bumper slamed the ground. so i finely found out where my noise was comming from lol the hard way. this is what im comming up with the questions,,, should

A: go with a half ton 6 lug rearend to go back in it?

B: a 8 lug 12 bolt with matching front diff?

C: corprate 14 bolt with matching front diff?

i can do aall of them but is what i really want to know is witch would be best for me to run i like to pull trailers witch i will be pulling my jeep around?? and do i have to do anything special to fit any of them in my suburban?