Guys I am beside myself on what to do.

So before I got pregnant I adopted a dog, she belonged to a family member that wanted to put her down cuz they were “done with her” 🙄 she is a 12 year old lab and the sweetest most well behaved dog. I’ve had her for almost 2 years. Flash forward to now, my baby is born and my dog wants nothing to do with my baby, she isn’t “mean” but if we show her the baby she tries to nudge her away. Obviously I don’t let that happen. So recently she started peeing everywhere, she had access 24/7 via doggy door to outside but insists on going in the house. I took her to the vet thinking it was a bladder infection, no bladder infection, it is that she’s getting old. And I can’t afford for them to do more tests!!! We’re not in work because of covid and we have a new born baby. So we bath her almost every other day now, but she will pee( in the house) and then rolls in it! I am constantly picking up after this dog I am so tired of it, my baby is going to crawl on these floors also not to mention baby can’t e strong the smell. So there’s a whole side of my house we can’t on. I trie keeping the dog outside to felt it was mean and the dog barked and cried . So instead i cry about this atleast once a day. My husband doesn’t understand cuz he’s at work all day. What do I do? She’s a senior lab and not ready to be put down! She gets daily walks and attention from my husband. I kind of want to rehome her. Also we are looking to move cuz our house has mold. Of corse nowhere is pet friendly. I just want my baby in a nice clean area 😭😭😭