In a small bowl, combine cooked chicken breasts, cilantro, lime juice and salsa. Stir well, cover and refrigerate for 1 hour.
Avocado Sauce
In a small bowl, smash 1 avocado with a fork until smooth. Add the yogurt and mix together with a whisk or a spoon until smooth and most of the lumps are gone. Refrigerate leftovers.
Chicken Burrito Bowls
In a microwavable bowl, heat the chicken and black beans in 30 second intervals until warm.
To assemble the burrito bowls, layer the bowl ingredients in a small bowl, starting with the rice, then chicken, black beans, red onion, tomato, pepper and onion. Drizzle avocado sauce on top, mix and eat.