Yea sounds like separation anxiety with dominance issues with you. Mom@homenow has the right advice.
You and your daughter need to be feeding the dog and taking care of it. Don't let your husband feed her or walk her for a while. You and your daughter walk her and work on obedience with her. If you can, feed her by hand and make her work for it. Ask her to sit... lie down.. teach her some commands and re-inforce the ones she knows already. Give her a few bites of kibble after she does a behavior for you, then make her do something else until she's earned it all. She will respect you if she knows you are in control. She thinks only your husband is the boss of her right now. Show her otherwise.
Good luck. Last year we got a lab. She was about 2 years old. We have other dogs. She is the most hard headed thing I ever seen. I will never get a lab again. She also pushs everybody aside to get to what she wants. She is smart,friendly and good with everyone but has a mind of her own. I have tried everything with mine. Walking her and playing with her ,she's a lot fun but than after fun and games she's hard headed again. Good luck and don't give up.
i would think that your husband's behavior has something to do with it.. he should push her away and scold her if she acts like that.. evetuallu she will get it , that her behavior is not accepatble and then start to acknowledge you and your daughters presence...