Slow Cooker Chicken & Dumplings

4 skinless, boneless chicken breast halves
2 tablespoons butter
2 cans cream of chicken soup
1 onion, finely diced
2 10 oz pkg refrigerated biscuit dough, torn into pieces

1 can low sodium chicken broth

Place the chicken, butter, soup, and onion in a slow cooker, and fill with enough broth (or water) to cover.

Cover, and cook for 5 to 6 hours on High. About 60-90 minutes before serving, place the torn biscuit dough in the slow cooker. Cook until the dough is no longer raw in the center.

Source: http://allrecipes.com/Recipe/Slow-Cooker-Chicken-and-Dumplings/Detail.aspx