In your pressure cooker, add onion, water, chicken and seasoning.
Close pressure cooker lid. Seal valve and cook on high pressure for 15 minutes.
Release pressure
Remove chicken from the Instant Pot. add it to a bowl. add the onions to the chicken and about 1/2 of the cooking juice to the chicken to keep it. moist.
Add rice, chicken , beans, bell pepper, and avocado to your bow.
Add other toppings you like, guacamole, cheese, salsa etc.