Instant Pot Shrimp and Asparagus Risotto

Name: Instant Pot Shrimp and Asparagus Risotto
Ingredients: ¼ cup extra-virgin olive oil , divided; 8 ounces asparagus , trimmed and cut on bias into 1-inch lengths; ½ onion, chopped fine; ¼ teaspoon table salt; 1½ cups Arborio rice; 3 garlic cloves , minced; ½ cup dry white wine; 3 cups chicken or vegetable broth , plus extra as needed; 1 pound large shrimp (26 to 30 per pound), peeled and deveined; 2 ounces Parmesan cheese , grated (1 cup); 1 tablespoon lemon juice; 1 tablespoon minced fresh chives