Portrait Facial Shadow Removal

I have a portrait shot where a distracting patch of shadow falls across the subject’s face. I need that shadow cleaned up so the skin tones look even, yet still believable—no overly air-brushed finish... (Budget: $10 - $30 USD, Jobs: Adobe Lightroom, Adobe Photoshop, Digital Art, Graphic Design, Image Processing, Photo Editing, Photoshop, Photoshop Design)