Girl is raising her little sister the little sister gets taken away by cps girl makes a plan to get her back girl gets sister back and their on the run from cps and at one point hide in a carnival
VHS_Lives Posted new comment May 17, 2020
Girl is raising her little sister
Could it be “on our own”? It is a slightly different plot than you describe
https://m.imdb.com/title/tt0095778/reviews