'05 9.25 rear rebuildable?

Supershafts, It didn't make any noise until it broke... I didn't get any warning. The pinion nut doesn't look like it's backed off at all... when I "flop" the driveshaft around by hand the pinion moves everywhere the yoke does, no slop between the two. I'm not taking it to a shop. This will be an in driveway repair/replacement.
My question is about the housing, and any other parts that I should consider replacing. Would it be better to replace the whole rear end or just rebuild the one I have? If I'm going to rebuild the one I have what do I need to check to be certain my housing is ok?