Who is dally in the book The House on Mango Street?

In the book "The House on Mango Street" by Sandra Cisneros, Dally refers to the character Sally who is one of Esperanza's friends. Sally is portrayed as a beautiful but troubled girl who is constantly seeking love and validation, often making poor choices in relationships. She represents the struggles faced by young Latina girls in navigating their identities and relationships in a patriarchal society.