- Preheat grill to medium-high heat. 
- Season the chicken breasts and grill the chicken until no longer pink, about 8 minutes per side. - 2 chicken breasts 
- Liberally brush the barbecue sauce over the chicken, and cook for another 2 to 4 minutes per side. - ½ cup Paleo barbecue sauce 
- Remove from heat and let rest. 
- Grill the pineapple for 2 to 3 minutes per side, then set aside. - 1 pineapple 
- Slice the chicken and pineapple into bite-sized pieces. 
- In a salad bowl, gently toss the pineapple, chicken, mixed greens, red onion, and grape tomatoes together. - 6 cups mixed greens, 1 red onion, ½ cup grape tomatoes 
- In a dressing jar, combine the pineapple juice, apple cider vinegar, olive oil and season to taste. - ¼ cup pineapple juice, 2 tbsp. apple cider vinegar, ¼ cup olive oil, Sea salt and freshly ground black pepper 
- Drizzle the dressing over the salad, toss gently, and serve.