It's dinner time!

Ingredients

• 1 ¼ cups fat-free sour cream
• 3 tablespoons low-fat creamy salad dressing (such as Miracle Whip Light®)
• 1 teaspoon sweet pickle relish
• 2 teaspoons yellow mustard
• ⅛ teaspoon dried minced onion
• 2 (5 ounce) cans tuna in water, drained
• 2 avocados, cut into 1/4-inch dice