Hi @elbrant the breeder that I have located is in the Ukraine. She has pure bred basenjis of different colours. Most of the litter has gone but she still has some left.
I think Tanza is spot on. Not sure where you are, but the Basenji Nationals are in Tucson in November. Assuming it's possible, I can't think of a better way to find a good breeder than to attend.
We have learned that the best thing with our Basenji is lots of rawhides, and not little ones (those are gone too soon in our house) but big braided ones. It may help with the chewing!