I have never been in your situation before. And I feel for you and your husband.
I can only suggest a few things.
First, teach Chloe that it is OK for her to walk away from the baby. I had a friend teach her old cocker to " run ginger run" when their baby got mobile. You never want the dog to feel obligated to interact. It's OK for them to want away. And it should be encouraged. If you force interaction, then you are effectively taking away the dogs ability to choose a safer response.
Second. Make the baby something good. Teach her to feed treats, if possible, she is sooo young. 1yo is pretty young to teach most dog things. They are just not capable of learning stuff like that yet.
Third- human aggression and dog aggression are totally different things. Because she went after a dog before in no way means she will go after your daughter.
Fourth- keep them separate for now. Give the dog a crate, in an area the baby has no access to. Give her a chance to unwind from the family and the stress if the baby.
Fifth- your babies safety comes first. End Game. If the dog, and you, can't find a way to keep the baby safe, the dog should be rehomed. Maybe an unpopular opinion. But could YOU live with yourself if your dog hurt your baby? Could you? No. Toddlers are scary to most dogs. They wobble, the charge forward, hands out, make funny noises, eye level and grip hard and in weird ways. It's a tough human age for the best if dogs. But your babies safety HAS to come first.
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