Rear end selection help and opinions

8 3/4 will be plenty stout for your application, Dana would be overkill, complete sbp housings come up for sale from time to time, should have 10 inch brakes, sbp front disc setups are also available, but can get a little costly. If I were to do it again, I'd make the switch to bbp, I realize it is a little costly, and a bit of work, but opens up so many more options, just my .02.