Yummy! Served this as a side, and it vanished faster than the main!

1 can (15.25 oz) whole kernel corn, drained
1 can (14.75 oz) creamed corn
1 cup sour cream
1/2 cup unsalted butter, melted
1 box (8.5 oz) Jiffy corn muffin mix
1 cup shredded cheddar cheese