You have to pull that hub and shaft again PLUS the drivers side, remove diff cover & diff. (keep the caps and bolts oriented so they go back in just as they came out)
Pull seal - in towards the now empty housing, and replace with new (drive it in 'straight') reinstall diff & caps, torque to ???lb-ft, 75 pops in my head, but that's a WAG
Might be a great time to refresh the drivers side UJ and seal....since you have it apart anyhow... :dunno:
Don't spare the anti-sieze on those hub mating surfaces or bolts, or you'll be really be bummed next time... salt air & all.
Replace cover, shaft/hub, refill with gear oil.
If it makes ya feel better, I did UJs & brakes on wifey's Jeep Saturday, (190k never been out hubs LOL) then did UJs on my spare axe today low miles but Spicer original 5-297x, paint & all POP/PYOW! had a 5# C-Clamp 10 feet in the air and 2 sockets got 15 seconds of hang time... Eye protection is good LOL but we needed body armor today. I scared my helper off :dunno: The passenger side came apart too easy...it was scared too I suppose.