Nia Sioux isn't interested in rehashing her days at Abby Lee Miller's dance studio. That's why the Dance Moms alum didn't join former costars JoJo Siwa, Brooke Hyland, Paige Hyland, Kalani ...

Safe to say Nia Sioux isn't a save-your-tears-for ... health in the years since she distanced herself from dance teacher Abby Lee Miller and her seemingly endless stream of critiques and insults.