As you have metered and exposed for the sun side of his face – I would make that the statement of the image.
No half measures.
You want low key in bright strong sun - then get the shadow side of his face into deep shadow, still holding some texture and let the bottom right of frame fade to full black.
Let the one eye and the exposed cheek and his lips do the communication of feeling and all the work in the image and hence all the viewer’s focus on those elements.
Get rid of the crane.
Tone down the background, but leave the token almost white spot of sky.
WW