Sending sympathies for your loss and may Nuella R.I.P. somewhere over the
Ps. Just wanted to add to the excellent advise already given...please consider rescuing an "adult" Yorkie vs. buying a puppy.
One...Zoe may not be up to the rambunctiousness of a young puppy vs. an older Yorkie and,
Two...you would be honoring Nuella's memory by giving a Yorkie in need of finding a forever home the biggest blessing!