Corn and Potato Casserole with Gruyere - Libby's Vegetables

Ingredients

• 4 tbsp butter, divided
• 1 small onion, diced
• 2 tbsp flour
• 4 oz cream cheese
• 1 tbsp milk
• 1/2 tbsp chopped chives
• 1/2 tsp onion powder
• 1 can (14.75 oz.) Libby's Cream Style Sweet Corn
• 1 can (15.25 oz.) Libby's Whole Kernel Sweet Corn, drained
• 1 can (15 oz.) Libby's Sliced White Potatoes, drained
• 1 cup shredded gruyere cheese
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1/2 cup crushed butter crackers