Chicken Tortilla Rice Bake

Name: Chicken Tortilla Rice Bake
Ingredients: 2 tablespoons extra-virgin olive oil; 1 small onion, chopped; 2 cloves garlic, chopped; 1 tablespoon taco or fajita seasoning; 1 14.5-ounce can chopped tomatoes with green chiles; 1 cup converted long-grain white rice; 2 cups shredded rotisserie chicken (skin removed); 2 cups shredded Mexican cheese blend (about 8 ounces); 1/2 cup fresh cilantro, roughly chopped, plus more for topping; Kosher salt; 6 corn tortillas, cut into quarters; Sour cream and pickled jalapeno peppers, for topping