Cook the elbow macaroni according to the package instructions. Drain and allow it to cool completely.
In a large mixing bowl, combine the cooked macaroni, shredded chicken, fruit cocktail, cheese cubes, and raisins.
In a separate bowl, mix the mayonnaise and sweetened condensed milk until smooth and creamy.
Pour the dressing over the macaroni mixture and gently toss until everything is evenly coated.
Cover the bowl and refrigerate for at least 2 hours to allow the flavors to blend.
Stir gently before serving and adjust the consistency with a little more mayonnaise if needed.
Serve chilled as a side dish or dessert during family meals and special occasions.