COWBOY CORNBREAD CASSEROLE!! Best Recipe Ever!

1 pound ground beef
1 packet of taco seasoning
1 can whole kernel corn
1 can pinto beans
1 can diced tomatoes with green chilies
1 1/2 cups shredded cheddar cheese
Salt and pepper to taste
2 pkgs jiffy cornbread mix
2 eggs
2/3 cup milk