Instant Pot Chicken Corn Chowder

Name: Instant Pot Chicken Corn Chowder
Ingredients: 2 TBSP butter; 1 medium onion, diced; 4 cups chicken broth; 1 lb boneless skinless chicken breasts, each breast cut into three pieces; 1 tsp garlic powder; 1/2 tsp ground thyme; 1/2 tsp black pepper; 3/4 tsp salt; 1/4 tsp paprika; 12-oz frozen corn kernels; 3 medium russet potatoes, diced (I leave the peel on mine); 1 cup milk or half & half; 4 oz cream cheese; 2 cups shredded cheese, such as Cheddar, Pepper Jack, or Colby Jack; For serving: Sliced green onions and six pieces of cooked bacon, crumbled