We feed fresh meat always. We started out with kibble, but we find our B's are more healthy with meat and related chews (soft bones, cartilage, heart, etc.).
Also if you contact the breeders in the PNW listed on the BCOA site that LVOSS posted some may have puppies/juveniles/adults available. You can also find contact info for basenji fanciers on the Willamette Valley Basenji Club site http://www.basenji-club.com and Evergreen Basenji Club site http://www.evergreenbasenjiclub.org/
Send the folks an email or give them a call to check availability! I wish you luck on your journey to find another basenji companion
I got a 15 week old puppy when my female was 8 and my male was 5. Both were happy to have a puppy around. They all spent hours chasing each other and the squirrels in the back yard around.
Fortunately my puppy didn't pick up my female's habit of digging up the back yard.