Hello! Thank you so much for that insight. Now to answer your questions.
We have had the pups a week and a half. They are brother and sister and Lucky is a male. Lucky does try to sniff them every once in awhile when they aren’t paying attention. He has started to jump down and play with toys but once they notice him he runs. I do try to let him be alone with just one at times and he still runs from them. He has not ever played with puppies before. His best friend is my neighbors female Boston Terrier( He was socialized with her while he was only a couple of months old). He barks at every other passing dog when he is in the front yard on his run for potty breaks. I did have another dog come in the house last holiday season and he barked at her for a good 5 minutes but then wanted to be her friend. That is really the extent of his socialization. I hope this helps!