Sprinkle chicken breasts lightly with salt, pepper, and paprika. Place chicken in Crock-Pot. Mix white wine, soup, and mushrooms until well combined. Pour over chicken. Sprinkle with a little more paprika. Cover and cook on low for 7 to 9 hours. (On high: 3 to 4 hours) Remove chicken and stir in sour cream mixture during last 30 minutes. Serve sauce over chicken with rice or noodles.
