01 -
Place chicken in a 5- to 7-quart slow cooker.
02 -
In a small bowl, whisk together chili powder, smoked paprika, garlic powder, cayenne pepper, salt, and black pepper.
03 -
Pour the spice mixture over the chicken and add grated onion. Toss to coat the chicken evenly.
04 -
Evenly pour 3/4 cup BBQ sauce over the chicken.
05 -
Cover and cook on low heat for 4-6 hours, until the chicken shreds easily and reaches an internal temperature of 165°F.
06 -
Transfer the chicken to a cutting board. Reserve the liquid from the slow cooker, skim and discard the fat. Shred the chicken using two forks.
07 -
Return the shredded chicken to the slow cooker. Heat the remaining 3/4 cup BBQ sauce with 2 tablespoons of steak sauce in a microwave-safe bowl until warm (about 1-2 minutes).
08 -
Pour 3/4 cup of the reserved liquid and the warmed sauce mixture over the chicken, then toss to coat. Add more liquid or BBQ sauce if needed. Adjust seasoning with additional salt if desired.
09 -
Serve the pulled BBQ chicken on hamburger buns. Optional: top with coleslaw or mix in blue cheese for added flavor.