The best thing to do is to go to local dog shows and meet breeders in your area. You will need to find one who is willing to sell you a puppy and mentor you through the process of showing and breeding. Here is a list of upcoming shows in your area:
http://www.infodog.com/showinfo/state.htm
Please make sure you only deal with reputable breeders who show their Yorkies and stay away from breeders who will try to sell you a "show prospect" when they do not show themselves.