Looking to adopt a dog from a hoarding situation

He is a 9 month old mini-Aussie. My family has quite a bit of experience with the breed and associated breeds (Collie/Border Collie/Aussie mix, Aussie, Border Collie, and Sheltie). He came out of a horrible hoarding situation in which he received little or no acclimation to humans. He is doing ok in his foster home, but it took quite a while to warm up to the husband (the wife runs our local shelter). A prior placement fell through when the dog was so scared of the husband that he hid, and the shelter administrator actually had to drive an 1 1/2 half at night to retrieve him. He would be a local dog adoption for us.

I have yet to meet the dog. I want my first meeting to go as well as possible. Any suggestions on how to handle it. I hope that he is my dog (like my Collie mix who passed away two years ago was). I went in deep depression when Arlo passed, and it took over a year to finally get my head on straight and start exercising and caring about my diet again. A dog was kind of prescribed by my doctor because I walk a lot, and it does get lonely (Arlo and I would go onto up to 20 mile walks). I am back to pretty long walks now after losing over 80 pounds.

I plan to set up a bit of a playroom for him in the basement and try to keep him out of the face of my 15 year old Aussie. Of course long walks which he apparently likes would be expected. My daughter might also do agility with him, but first I want him to bond with me.