Welcome Heather,
Try checking periodically the Yorkie Rescue & New Homes needed forum. Sometimes they have smaller ones there. Keeping in that price range it will be hard to find a very tiny Yorkie. There are bigger ones out there that need good homes too! Best of luck to you.
__________________  Tracy and my  S 
" If a dog will not come to you after having looked you in the face, you should go home and examine your conscience."- Woodrow Wilson |