I had a little dog that look similar to yours, she had marking round her eyes though. She ran like a whippet, & when her ears were flat looked like one. At other times she looked & hunted like a JS, also looked like a G. Shepherd with a Sheltie's nature. We never knew what she was, except _ Gorgeous & we love her to bit. Your pup is very cute & I'm sure you already love her to bits. Have Fun.
I don't quite know how, but I see chihauha and gsd She's absolutely gaaaaaaawjuss though, so, so pretty