I lost my Scottisch terrier (my first dog when i lived on my own) 2 years ago,. and it was awfull. idid had 2 other dogs but stilli was heart broken.
When i left my ex sa year and half ago i left my furbabies at his place. Hendidnt want to give my other 13 year old away.and my yorkie snickers and zorro were best friends. So as not going to uch in arguing and could never win either i decided not to split them up and leave them with him. He is very good for them and love them uncundiatinally. so thats a very good thing. But still I have had been looking for new yorkies for about a year.. and kept reading and looking to pics of other yorkies.
Now finally im ready to have my own little girl again. And im still missing zorro and snickers alot I think I gave it a little place.
I think safe up some $ already.. and when your both ready you can have your new baby. I m happy for myself not to bought another baby right away. becasuse i was not ready for it. And i was probably comparing then,. and in my opinion you can't get a replacement. You always thinkj that you can't find such a fantastic nfriend or bond again like your lexi.. but i think if you open your heart and the time is there you will find your little boy.
Also I don't know any breeders in Chicago,. but as i read your previous post, that you think most breeders are suspicious,. try and see on YT who knows any breeders in your area

good luck and kisses and hugs