Chipotle Chicken with Buttermilk Chive Sauce

To make buttermilk chive sauce, in a small bowl combine sour cream, buttermilk, chives, 1/2 teaspoon salt and pepper. Cover and refrigerate until serving time. 

For rub, stir together chipotle seasoning, paprika, brown sugar, onion powder and remaining 1/2 teaspoon salt. Rub about 1-1/2 teaspoons onto each chicken breast. 

Grill chicken over direct medium heat for 6 to 8 minutes per side or until internal temperature reaches 165 degrees.  Serve chicken with buttermilk chive sauce and fresh greens.