Cheesy Broccoli Rice Casserole

Name: Cheesy Broccoli Rice Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1-1/2 cups quick cooking white rice (about 4 cups cooked); 1/2 cup (1 stick) unsalted butter; 1 medium white onion, chopped; 4 cups fresh broccoli, large stems removed and broken into small pieces; 1 (10.5 ounce) can cream of chicken soup; 8 ounces processed American cheese, divided (such as Velveeta); 1/2 cup milk; 1/3 cup crushed potato chips