Beer and Bourbon Pulled Pork

Name: Beer and Bourbon Pulled Pork
Ingredients: 1 tablespoon paprika; 2 teaspoons onion powder; 2 teaspoons garlic powder; 2 teaspoons dried oregano; 2 teaspoons dried thyme leaves; 1/4 teaspoon ground black pepper, or to taste; 1 teaspoon salt; 1 (3 pound) boneless pork shoulder, cut into 3-inch chunks; 2 1/2 tablespoons canola oil; 1 1/2 teaspoons butter; 2 onions, sliced; 5 cloves garlic, minced; 1 (12 ounce) bottle beer (preferably wheat beer); 2 (1 1/2 ounce) shots bourbon; 3/4 cup BBQ sauce; Tabasco to taste; 8 crusty Kaiser rolls, split