Maybe you should have contacted BCOC rescue and they could have taken over. While you may be affiliated with BRAT, in Canada we also have our own rescue and I'm sure someone was aware of it and already tried it. Helps to do a little digging with BCOC.
GA-Atlanta/Austell-11 Month Male Red & White Basenji-On Craigslist
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This active boy wound up in a household that did not understand Bs. Mentions in the ad about keeping him as an outside dog: "He is at the age where he likes to chew so maybe getting some toys or keeping him as a outside dog would be the best answer or simply put up the thing you want to keep while going thru the teething stage." There is a rehoming fee. He is up-to-date on shots and is microchipped. He has an insurance policy at $25 per month that must be kept up. There is no mention of being neutered.
I have not contacted the owner to see if he is still available or who the breeder is.
Here is the ad:
http://atlanta.craigslist.org/nat/pet/2886709417.html
Jennifer