Buffalo Chicken Baked Potatoes

Name: Buffalo Chicken Baked Potatoes
Ingredients: 4 medium russet potatoes (10 to 12 ounces each); Vegetable or olive oil, for the potatoes; 1/2 c. mayonnaise; 1/4 c. buttermilk; 1/4 c. sour cream; Dash of Worcestershire sauce; 1/2 c. crumbled blue cheese (about 2 ounces), plus more for topping; 1/4 c. chopped fresh chives; Kosher salt and black pepper, to taste; 3 tbsp. salted butter; 1/4 c. Buffalo hot sauce; 2 c. shredded rotisserie chicken; 1 stalk celery, thinly sliced; 1 small carrot, grated (or 1/4 cup shredded carrots)