Smoked Baby Back Ribs - Miz En Place

Ingredients

• 2 racks baby back ribs ((about 3 pounds each))
• 1/4 cup packed light brown sugar
• 1 tbsp chili powder
• 1 tbsp paprika
• 2 tsp ground cumin
• 1 tsp mustard powder
• Kosher salt
• 1 lemon (halved)
• 1 apple (quartered)
• 1 cup apple juice or cider
• 2 tbsp Worcestershire sauce
• 1 tbsp apple cider vinegar
• Vegetable oil (for brushing )