If using the bacon: press the saute function on the Instant Pot and add the bacon slice. Keep the lid off and saute until crisp, about 5-7 minutes. Use tongs to peel it away from the bottom of the pot as needed. Turn off the saute function and leave the bacon in the pot.
Add all ingredients except the smoked salt to the pot, and stir. to combine.
Put the lid on and set the valve to Sealing. Press Manual and set for 30 minutes.
Prepare the rice while the Instant Pot is doing its magic.
Once the Instant Pot timer has gone off and the pressure has released (about 10-15 minutes later), remove the lid.
Spoon out about a cup of the beans, and set aside.
Use an immersion blender to puree the remaining liquid, beans, and vegetables.
To serve, add rice to each bowl, and ladle in the bean puree. Top with the reserved whole beans, and garnish with smoked salt and chives. Don't forget your collards on the side!