Easy Instant Pot Chicken Burrito Bowl

Name: Easy Instant Pot Chicken Burrito Bowl
Ingredients: 1 cup chicken broth (low-sodium, divided); 2 Tbsp Taco seasonings * (store-bought or homemade- recipe in notes); 1.25 lbs boneless skinless chicken breast (or boneless skinless chicken thighs); 1 15 oz. can black bean (low sodium) drained and rinsed; 1 15 oz. can corn (low sodium), drained; 1 cup enchilada sauce (or salsa); 1 cup long grain white rice (rinsed); 6-8 cups lettuce (washed and torn into bite size pieces); 1 tomato (diced); ½ cup sour cream; 1 cup shredded Mexican blend cheese; Fresh cilantro (for garnish (optional)); Avocado (for garnish (optional))