She is a black and tan! Ha ha haaa

How old is she? Have you heard her speak? Basenji's don't bark, they yodel, lol. IF she yodels, that would be a sure sign she has some basenji. If she doesn't yodel, well, still could go either way.

Here is a link to the breed standard: https://www.akc.org/breeds/basenji/index.cfm The photos look more solid, chunky, muscular, than your Jasper Lily is.

She is very sweet from the photos!