I know someone has already suggested this but did you put an ad in your local paper ? as most All news papers will run found adds for free & that & the shelter is most often the 1st places people look when they loose a pet. I am so glad you picked her up or who knows what could have happened to her. Also I wanted to tell you that walking a yorkie with a collar is not recommended as it can damage their trachea, a harness is best for walking but the collar is good for holding their ID tags.