Chipotle Chicken Burrito Bowl Copycat

Name: Chipotle Chicken Burrito Bowl Copycat
Ingredients: For Marinade:; 1/2 medium yellow onion (roughly diced); 3 cloves garlic (roughly chopped); Juice of 1 lime; 1 tablespoon chili powder; 1 chipotle pepper (plus 1 tablespoon of the adobo sauce); 2 tablespoons olive oil; 1 teaspoon ground cumin; 1 teaspoon dried oregano; 1 tablespoon salt; 1 teaspoon black pepper; 1/2 cup chicken broth; For the Burrito Bowl:; 6 chicken thighs (boneless, skinless; or 4 boneless skinless chicken breasts); 3 cups cooked rice (white or brown); 1 cup cooked black beans; 1 cup shredded Monterey Jack or cheddar cheese; 1 cup salsa; 1 cup sour cream; 1 cup guacamole; 2 cups shredded lettuce