Grilled Chicken and Spring Vegetable Salad

Name: Grilled Chicken and Spring Vegetable Salad
Ingredients: 1 pound boneless skinless chicken breasts; 1 cup asparagus cut into 1-inch pieces; 1/2 cup radishes cut into wedges; 4 scallions cut into 1-inch pieces; 3-4 cup Campari tomatoes cut into wedges; 1/2 cup red grapes halved; 1-2 tablespoons olive oil just enough to coat the vegetables; 1/4 cup barbecue sauce I like Bone Suckin' Sauce; 1 head arugula; 1 head red lettuce; 3 tablespoons lemon juice; 2 tablespoons olive oil; 1 tablespoon freshly chopped mint; 1 garlic clove minced; 1 teaspoon kosher salt; Freshly ground pepper