To make sauce: In small bowl, stir yogurt, honey and juice. Cover and refrigerate.
To make filling: In large nonstick skillet over medium-high heat, heat oil. Cook and stir chicken with seasoning in hot oil 4-6 minutes, or until chicken is no longer pink in center. Remove from heat. Stir in mango.
Fill pita pockets with greens, chicken mixture and blue cheese. Spoon yogurt sauce on top.