Set your instant pot on sauté .
Add the onions, celery, peppers and olive oil to the pot; sauté for about 10 minutes, stirring occasionally.
Add the sausage and the seasoning and sauté another 5 minutes.
Pour in the chicken broth; add the diced chicken and rice.
Place the lid on the pot and set the valve to seal.
Press the “rice” feature to begin cooking.
When cooking time is up, turn the valve to “venting” carefully and allow steam to release.
Remove lid, stir and serve.