Oh gosh, I'm so sorry that Chucky is missing

. I will be sending good thoughts.
Was he wearing any ID tags with your number ? I agree with bchgirl, it may help to contact the pound, and the local shelters. Another member here from CA found her missing yorkie b/c she put up a flyer at the pound, where someone dropped her yorkie off.
edit to add: I didn't realize that you think there's a good chance he was stolen. I would DEFINITELY put up a craigslist add that he is lost and suspected of being stolen. A lot of animal lovers like us scan craiglist and might notice if a someone popped up in the neighborhood with a new yorkie looking like chucky