Southern Living Boat Dip
1 (16-oz.) container sour cream
1 (10-oz.) can Rotel, drained
1 (1-oz.) envelope ranch dressing mix (about 4 T)
1 (1-oz.) envelope 25%-less-sodium taco seasoning mix
1 (8-oz.) pkg. shredded Cheddar-Jack or mild Cheddar cheese (about 2 cups)