In a small bowl mix together the ground cumin, ground paprika, dried oregano, chili powder and garlic powder and coat both sides of the chicken breast
Select the sauté setting of the Instant Pot, add oil into the instant pot insert and when hot brown the chicken on both sides (about 2 minutes on either side).
Then add in the water and lime juice and deglaze the pot.
Add the onion, bell peppers and garlic on top of the chicken.
Cover your Instant Pot and set the valve to the sealing position, select pressure cook or manual (based upon the model of your IP model), set to high pressure for 5 minutes.
Let the steam release naturally for about 8 minutes (10 minutes for if the chicken breasts are thick) then quickly release the remaining pressure.
Remove the chicken from the Instant pot and shred it.
Transfer shredded chicken and peppers to a baking sheet and broil on High for 4-5 minutes.
Assemble your bowls with rice, beans, tomatoes, sweet corn, avocado, sour cream, cilantro and shredded chicken.