Preheat An Outdoor Grill For Medium-High Heat, And Lightly Oil The Grate. Stir The Sour Cream, Blue Cheese, And Worcestershire Sauce Together In A Small Bowl; Set Aside. Mix The Ground Chicken, 1/4 Cup Hot Sauce, Celery Salt, Poultry Seasoning, Paprika, And Cayenne Pepper Together In A Mixing Bowl Until Evenly Blended. Form Into Four 3/4-Inch-Thick Patties. Cook The Chicken Burgers On The Preheated Grill 6 To 7 Minutes Until Well Marked. Spray The Uncooked Top Of The Burger With Cooking Spray, And Flip The Burgers Over. Brush The Cooked Side With 1 Tablespoon Hot Sauce, And Continue Cooking Until No Longer Pink In The Center And The Juices Run Clear, About 5 Minutes More. An Instant-Read Thermometer Inserted Into The Center Should Read At Least 165 Degrees F (74 Degrees C). To Assemble The Burgers, Place A Lettuce Leaf On Each Roll Bottom. Top With A Burger Patty, Then Spoon On 2 Tablespoons Of Blue Cheese Sauce, And 2 Tablespoons Celery. Place The Top Of The Roll On Top To Finish The Sandwich.