Potty training help!!

Diana

I’ve been trying to potty train my daughter but she throws a tantrum every time I take her to her potty. She used to love going to her toilet and play with the handle (it says hip hip hooray) and now she won’t even step foot into the bathroom. I don’t know what to do because I want her to quit the diapers already. I also have a 7 month old and I don’t know if maybe she doesn’t want to use the potty because she sees that her little brother uses diapers and just wants to be treated like a baby too. Any advice on how to get her to start potty training again??