In a medium mixing bowl, combine the sweetened condensed milk with Kool-Aid packet and thawed whipped topping. Stir ingredients together until well combined.
Pour the mixture into the graham cracker crust, evenly spreading the filling into the pie.
Cover the pie with plastic wrap, and place in the fridge for 3-5 hours until well chilled.
Optional:
You can fold in fruit or leave as it and serve with cool whip or fruit
*Nutritional information is a calculated guesstimate. Please note that this can change with different brands and modifications you may make to the recipe. For the most accurate information, use a nutritional calculator with the exact brands and measurements you're using with each recipe.