Crockpot Ranch Potatoes

2 ½ pounds small red potatoes, quartered
8 ounce container sour cream
1 package ranch dressing mix
1 an cream of chicken soup

Place the quartered potatoes in the crockpot. In a small bowl, mix together the remaining ingredients and spoon over the potatoes. Cover and cook on low for 7 hours or high for about 4 hours. Stir gently before serving.