Easy, Flavorful Chicken Pot Pie

Ingredients (11)

• + 1 (10 ounce) package frozen mixed vegetables add to pantry
• + cooking spray add to pantry
• + 1 (14.1 ounce) package refrigerated 9-inch pie crusts, divided add to pantry
• + 1 (10.5 ounce) can condensed cream of chicken soup add to pantry
• + ½ cup mayonnaise add to pantry
• + ½ cup milk add to pantry
• + ½ teaspoon celery salt add to pantry
• + ½ teaspoon garlic powder add to pantry
• + ½ teaspoon black pepper add to pantry
• ✓ ⅛ teaspoon ground thyme
• + 1 (3 pound) rotisserie chicken, boned and shredded add to pantry