In a saucepan, add the soup, mayo, milk, and lemon juice.
Whisk together and place on low heat and heat until warmed through, set aside.
Preheat your oven to 180° C (350° F). Get out a 9x13 inch baking dish and lightly grease with butter or non stick spray.
In the baking dish, add the cooked and drained broccoli and spread out in an even layer. Then add the rice over the broccoli in an even layer.
Then add the cooked cubed chicken over the rice.
Add the soup mixture over the chicken, spreading it evenly over the top.
In a mixing bowl, add the contents of the stuffing mix and the melted butter and mix together. Spread the buttered stuffing over the top of the casserole.
Place in the oven and bake for 25 minutes.
Serve and enjoy.