Set Slow Cooker:
Set slow cooker to low heat.Mix Soup Base:
Pour water, condensed chicken soup, and gravy packets into the slow cooker; stir thoroughly.Season and Add Chicken:
Add paprika, garlic powder, black pepper, and salt to the mixture. Place chicken breasts that have been seasoned with black pepper, garlic powder, and salt into the cooker.Cook and Shred Chicken:
Put lid on and cook on low for 4-5 hours. After cooking, chop chicken into pieces of your preferred size.Add Sour Cream:
Mix in sour cream and spoon the sauce over the chicken right before serving.