Cook on high for 2-3 hours or low for 6-7 hours.

Cook uncovered until sauce reaches desired thickness.

For thicker sauce, mix cornstarch with 2 tablespoons water and stir into the crockpot.

Mix BBQ sauce and water in a bowl, then pour over the chicken.

Place chicken breasts in a slow cooker sprayed with cooking spray.

Shred the chicken using two forks.

Sprinkle ranch seasoning over the chicken.