'Little House on the Prairie' child star reflects on leaving the series: 'That was really hard for me'

'Little House on the Prairie' child star reflects on leaving the series: 'That was really hard for me'

Rachel Greenbush and her twin sister, Sidney, shared the role of Carrie Ingalls. Gary Null/NBCU Photo Bank/NBCUniversal via Getty Rachel and Sidney Greenbush shared the 'Little House' role of Carrie IngallsLittle House on the Prairie alum Rachel Greenbush, who shared the role of Carrie Ingalls with her twin sister Sidney, had an especially tough time leaving Walnut Grove.After all, the child actress took on the part of the younger sister of Laur…