Mix together Dijon, honey, soy sauce and lemon juice.
Remove 3 tablespoons of the Honey Mustard Sauce and set aside.
Mix the chicken breasts with the remaining marinade and let sit up to 4 hours in the fridge
Preheat the grill to medium and grill the chicken 6-7 minutes per side or until juices run clear and the chicken reaches 165°F.
Add 3 tablespoons of mayo or dressing to the reserved 3 tablespoons Honey Mustard Sauce
Drizzle over chicken breasts and enjoy!
(Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.)