That is really best case scenario for Dana.
Khabib retires
Conor get's to talk about how well he would've done in a rematch and that Khabib is scared.
Conor vs Ferguson for 155 belt (which I personally got Tony if that ever happens. I think Tony creates openings with his striking and takes Conor down.)
At this point there's a few things that could happen if Conor becomes champ again.
Conor drops belt immediately and does super fights. Which is best for his whiskey brand. More eyes. Does super fights until his contract is out, goes into other sports.
Conor drops belt, stages false retirement, get's to do ad promos of him being champ, "Proper 12, the drink of champions." A year goes b and he hypes up him coming out of retirement to do super fights which generates even more eyes.
Conor maybe defends the belt but I really doubt he would. I think his hunger is gone and after he get's the belt he won't be motivated to defend it against a guy as hungry as he was.