Set Instant Pot to saute add 1 tbsp of oil and your diced chicken to lightly brown for 5 minutes
Next add in your Andouille sausage for and additional 3 minutes.
Add all remaining ingredients except shrimp, to your Instant Pot
Place lid on top seal and cook at high pressure manual for 20 minutes
When finished quick vent the steam and stir in you shimp.