Sloppy Buffalo Joes

Name: Sloppy Buffalo Joes
Ingredients: 2 tablespoons extra-virgin olive oil; 2 pounds ground chicken or turkey breast; 1 carrot, peeled and chopped or grated; 2 stalks celery, chopped; 1 yellow onion, finely chopped; 2 to 3 cloves garlic, finely chopped or grated; Salt and freshly ground black pepper; 2 tablespoons red wine vinegar; 2 tablespoons brown sugar; 1 tablespoon Worcestershire sauce; 1/4 to 1/3 cup hot sauce (recommended: Frank's Red Hot); 1 cup tomato sauce; 1 cup chicken stock; 8 good quality burger rolls, split and toasted; 1 cup blue cheese crumbles; 2 large dill pickles, chopped