I'm from India and can say some interesting facts about hoehow teenagers think as I am 21 now.If ur If your daughter fights with your brother why did udidn't you speak out for your girl,because because she expects it.Apart Apart from that uyou asked an angry teenagerteenager who have no faith, trust something like that over family to leave the house and so she did.As As you said uyou don't have anyone to look after you,you you should make a bond with your only existing blood relation your daughter.I I feel that you should call your daughter to home or you both can have a private trip(only you two).In In the trip or some lonealone time at your house talk with how important is she in your life.Tell Tell her your feelings, about how great you feel about your daughter.
I recommend to stand up for your girl all the times she need and she expects it.
I hope you two will have a great bonding as a mother and daughter in future.
Making and breaking of relationships is always in ones hands.
Hope you make a great, enjoyable life with your daughter.