Cheesy Green Chili Rice

Ingredients (9)

• 1 large onion, chopped
• 2 tablespoons butter
• 4 cups hot cooked long grain rice
• 2 cups sour cream
• 1 cup 4% cottage cheese
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 2 cans (4 ounces each) chopped green chiles, drained
• 2 cups shredded cheddar cheese