Heat oven to 350°F.
Mix cream cheese, butter, chives and lemon pepper in small bowl until smooth. Add chicken.
Separate one can of dough into 4 rectangles. Pinch together perforated area of each rectangle; cut each rectangle in half crosswise to form 8 smaller rectangles. Repeat with second can to make a total of 16 small rectangles.
Place 2-1/2 tablespoons chicken mixture in middle of each rectangle of dough; fold short end over filling; pinch edges together to seal. Lightly brush each croquette with melted butter; roll in stuffing to coat. Place on ungreased baking sheet.
Bake in 350°F oven for 20 to 25 minutes or until golden brown and heated through.