Update on Chili Bob...
His 'winky' problems continued with the new owner.. she had called the shelter several times over the past 6 months to say that the problem still exists. She was not willing to care for him anymore.. so my supervisor told her to return him. I was debating whether to foster him again (or just keep him since he's an awesome chinnie)..
Then I went to work after the weekend & was informed by our Vet that she was taking him home! She had considered getting a chinchilla & this guy is so lovable that she couldn't resist! She also doesn't think it's a yeast problem so seeing as she's a Vet, he couldn't be in better hands!

So yay Chili Bob!