Instant Pot Italian-Style Sausage-Queso Dip Recipe

Ingredients

• 1 pound hot Italian sausage (such as Johnsonville®)
• 1 small onion, chopped
• 1 (14.5 ounce) can diced tomatoes
• 1 (3.8 ounce) can sliced black olives, drained
• 0.25 cup mild pickled banana peppers, diced
• 12 ounces whole milk, or more as needed
• 4 cups shredded Monterey Jack cheese