Copycat Qdoba Chicken Burrito Bowls

Name: Copycat Qdoba Chicken Burrito Bowls
Ingredients: 1/2 cup red onion (chopped (about half a medium onion)); 1 cup roma tomatoes (diced (about 4 to 5 tomatoes)); 1 bunch cilantro (chopped (about 1/2 cups)); 1 diced jalapeño (optional); juice of a lime; salt and pepper to taste; 2 cups long grain rice; 3.5 cups water; 2 tablespoons butter; 2 teaspoons salt; ½ lime; bunch of cilantro; 4 cups cooked and diced Qdoba Chicken breasts; 1 15 oz canned corn (drained and rinsed); 1 15 oz black beans (drained and rinsed); 1 cup chopped lettuce (any type); Optional toppings: Cheese (sour cream, guacamole, grilled veggies, salsa)