This scallop risotto has a secret fruity ingredient

Name: This scallop risotto has a secret fruity ingredient
Ingredients: 2 cup pineapple juice; 1 1/2 cup vegetable broth; 3 tablespoon unsalted butter; 1/3 cup minced yellow onion; 1 tablespoon minced garlic; 1 1/4 cup arborio rice; 3/4 cup grated parmesan cheese; 1/2 teaspoon kosher salt, plus more for seasoning; 1/4 teaspoon black pepper, plus more for seasoning; 3 tablespoon minced fresh basil; 1 pound sea scallops, divided; 2 tablespoon vegetable oil, plus more as needed; 1/2 cup microgreens, for serving