I am sure there are YTCA members in Pa. Check out hte breeder contact page on
Yorkshire Terrier Club of America Puppies they don't want to keep for show are available for good pet homes. But remember this is Friday, many would be away at dog shows so be patient to hear back.
YOu are also more likely to get a reply if you say a bit about yourself the home you have to offer, time you are home to be with the new puppy and why a yorkie and what you are looking for, male female, doesn't matter, size if it is an issue, that sort of thing. Include any previous pet ownership.