Chicken Tortilla Dump Dinner

Name: Chicken Tortilla Dump Dinner
Ingredients: 1 tablespoon canola oil; Two 10-ounce cans diced tomatoes with chiles, such as Rotel; 1 cup chicken broth; 1 tablespoon chili powder; 1 teaspoon ground cumin; 1/2 teaspoon kosher salt; One 15.5-ounce can black beans, drained and rinsed; One 10-ounce bag frozen corn; 5 cups shredded cooked chicken (from about 1 small rotisserie chicken); 12 small corn tortillas, cut into quarters; One 8-ounce block Monterey Jack cheese, shredded (about 2 cups); 1/2 cup sour cream; 1/3 cup diced red onion; 1/3 cup loosely packed fresh cilantro, chopped