Scrub beets and steam in the Instant Pot for 20 to 25 minutes on Manual with High Pressure.
Rinse under cold water, trim and peel. Chop into smaller cubes.
Saute the sliced green garlic with 1 Tablespoon butter until wilted on medium heat. Add cubed beets and saute for an additional 2 minutes. Add ½ cup whipping cream and cook over medium heat for about 5 minutes.
Remove from heat, add the ½ cup chopped dill, 3 Tablespoons of sour cream, 1 Tablespoon lemon juice, salt and pepper.