Fully Loaded Deviled Eggs

INGREDIENTS

• 12 eggs
• 1 teaspoon vegetable oil
• 1 small onion, chopped
• 1/4 cup sour cream
• 2 tablespoons mayonnaise
• 1 tablespoon ranch dressing, or to taste
• 1 1/2 teaspoons Dijon mustard
• 1/2 teaspoon garlic powder
• 1/2 pinch onion powder
• 1/8 teaspoon lemon pepper seasoning
• 1 tablespoon bacon bits, or to taste
• 1 cup finely shredded sharp Cheddar cheese
• 1/4 teaspoon paprika, or as needed