INSTRUCTIONS
Heat a grill to medium. Place the pineapple and onion on the grill and brush with the barbecue sauce. Continue to baste with barbecue sauce until the pineapple and onion are both soft.
Meanwhile, grill the hot dogs until warmed through.
Remove pineapple and onion from the grill and dice. Mix together in a bowl with the extra barbecue sauce, if desired. Serve the hot dogs with the pineapple and onion relish.