Dijon Chicken in a Skillet

1/4 c prepared ranch salad dressing
1 tbsp dijon mustard
4 boneless, skinless chicken breast halves
2 tbsp butter
3 tbsp white whine or chicken broth

In bowl, combine salad dressing and mustard and set aside  In skillet cook chicken in butter and simmer for 10 to 15 mins. Add wine or broth and simmer another 20 mins. Whisk in mustard mixture, cook and stir until blended and heated through. Serve over instant long grain and wild rice.