Help us move to keep our dog

I am currently trying to raise money to move. We have been renting our house for the past almost 7 years and have spoke with the landlords on more than 1 occasion about getting my daughter a dog. We were always told there would be no problem if we would do so. A couple of months ago a friend had just recently got a jack Russell from someone who didn't have time to spend with her. My friend later decided she could no longer keep up with the dog (when she found out she had cancer) and asked my daughter if she could take the dog. My daughter had wanted a dog for years and being that we already had an ok from the landlord we took the dog. Thus we are her 3rd home in only 2 years of life. My landlords have now told us that the dog needs to be removed or we need to move out a.s.a.p. There is no way I can do this to either my daughter or emmy the dog. Unfortunately with 1500 a month rent plus all utilities and basic living needs of 7 kids I was not prepared to have to move on such short notice and being on a month to month lease there is not much i can do financially. I appreciate any type of help with this, and thank you for your time