Slow Cooker Buffalo Pulled Pork Sandwiches

Name: Slow Cooker Buffalo Pulled Pork Sandwiches
Ingredients: * 2 tablespoon extra virgin olive oil; * 1 cup chicken stock; * king's hawaiian hamburger bun, for serving; for the homemade buffalo sauce; * 1/2 cup unsalted butter (1 stick); * 1/2 cup louisiana hot sauce; * 1 1/2 tablespoon white vinegar; * 1/2 teaspoon celery salt; * 1/2 teaspoon worcestershire sauce; * 1/4 teaspoon cayenne pepper; * 1/4 teaspoon ground white pepper; * 1/4 teaspoon garlic powder; for the slaw; * 1/2 head of cabbage (outer leaf removed), cut and shredded or; chopped; * 1/2 small red onion, diced; * 3/4 cup ranch dressing; * 1 tablespoon cider vinegar; * 1 teaspoon celery salt; * freshly ground black pepper to taste