01 - Combine chicken breasts, broth, smoked paprika, garlic powder, onion powder, salt, and pepper in a medium saucepan. Bring to a simmer over medium heat, cover, and cook for 15–18 minutes until chicken is cooked through and tender.
02 - Remove chicken from the pot and shred using two forks. Discard any excess cooking liquid.
03 - In the same pan, combine barbecue sauce, Worcestershire sauce, hot sauce if using, and brown sugar. Add shredded chicken and stir to coat thoroughly. Simmer over low heat for 5 minutes until heated through.
04 - Preheat oven to 350°F. Slice slider buns in half and arrange bottoms on a baking sheet.
05 - Spoon generous portions of sauced chicken onto each bun bottom. Sprinkle with shredded cheddar cheese and crispy fried onions.
06 - Place bun tops over the sliders and brush tops with melted butter.
07 - Bake for 8–10 minutes until cheese is melted and buns are lightly toasted.
08 - Garnish with chopped parsley if desired. Serve hot.