Capitol Hill Burgers

Name: Capitol Hill Burgers
Ingredients: 3/4 cup Stilton cheese, crumbled; 1/4 cup mayonnaise; 2 tablespoons Dijon mustard; 1 tablespoon sherry vinegar; 18 pieces thick cut pepper bacon; 2/3 cup packed light brown sugar; 2 pounds ground chuck; 1 small sweet onion, grated; 2 tablespoons chopped fresh rosemary; 1 tablespoon grated garlic; 1 tablespoon Worcestershire sauce; 2 teaspoons kosher salt; 1 teaspoon black pepper; 1/2 teaspoon allspice; 2 firm pears, thinly sliced; 3 cups washed arugula, gently torn; 2 tablespoons vegetable oil; 6 Brioche buns, split horizontally