Place the chicken breasts in the base of the slow cooker. Season with salt and pepper.
In a small mixing bowl, whisk the chicken stock and Ranch dressing mix together and pour over the chicken. Sprinkle the taco seasoning on top.
Set on low and cook for 8 hours. Once cooked, strain off excess liquid and shred the chicken into the sauce. Season with salt and pepper as needed. Assemble tacos with shredded chicken, coleslaw and Ranch dressing into tortillas.
Prepare the salad.
Serve Slow Cooker Ranch Chicken Tacos with coleslaw garnish and side salad.