Chipotle Black Bean Chicken Burritos

long grain white rice

olive oil

diced onion

large clove of garlic (chopped)

black beans, drained

chipotle pepper in adobo sauce (chopped plus 2 tablespoons of the sauce)

chopped fresh cilantro (dvided)

large avocado (pitted and peeled)

Juice from 1 lime

kosher salt

large flour tortillas

cooked shredded chicken

shredded Monterey Jack cheese

sour cream