We also have a possible Basenji/Terrier (Yorkie) mix. I've had some doubts, but seeing this picture of Rosie, I can't help but see my Rebel. Such a great looking dog, and if she's anything like our girl, you're in for a treat!
Wow! That is certainly a fascinating mix! ;-) Two sighthounds and a Spitz in there, so will probably see much the same sorts of behaviour as Bs….I bet she's quite a runner too! Good look with your girl!
The traits you described are also found in most of the Nordic/spitz type dogs. I don't see anything overly basenji-ish about him in the pics. What ever he is, he's very hansome.
