It's an interesting scene, but t he left side of the frame looks too muddy. Like you used recovery on it and then burned it or something. I also wish there was slightly less dead space on the left hand side, and a little bit more of Chloe.
^^^^ What he said. Crop the space on the left. I don't know if you could actually see much more of the dog behind that fence but the extra space on the left does detract from the subject. Nice dog though.
Ya I agree with the above, a crop of the left would help the picture out. Right at the edge of the deck would probably look good. Nice picture overall though!