Tex Mex Chicken Burrito Bowl

Name: Tex Mex Chicken Burrito Bowl
Ingredients: ½ cup chopped red onion; 1 lime (sliced into wedges); 2 boneless/skinless chicken breasts (or shredded rotisserie works, too); kosher salt and pepper; 4 cups cooked brown rice (cooked according to package instructions); 2 cups mild chunky salsa; 2 teaspoons taco seasoning mix; ⅔ cup canned corn (drained); ⅔ cup canned black beans (rinsed well and drained); ¼ cup chopped cilantro (plus more for garnish if desired); 2 cups shredded cheddar cheese for topping