How about "Pequeñito" means itty bitty, tiny, pint-sized in Spanish. Or you could use the word for little bit "poquito." Faia is actually Portuguese for beech tree. "Pequeno" is Portuguese for little.
Another source of names is the Female Yorkie Name List i the Library
http://www.yorkietalk.com/forums/yor...es-female.html
Of the names you listed, I like Chloe, Jazz, and Emma best.