I'm REALLY not an expert, so take it with a grain of salt, but I would expect to see some pointed saddle feathers by this age if that was a cockerel. You could just have a pullet that is close to her point of lay.
One more update, for anyone interested now or in the future of what this crossing looks like! I kept one male and my female. He's turning out to be a handsome little rooster. Mostly white with some sporadic buff leakage and black tail feathers. The female is mostly buff, grey legs with black...
I’m really sorry for your loss. We went through the same thing about 4 months ago, two dogs broke into our yard and killed our whole flock, sparing only one. We caught it on video. Same thing, repeat offenders and they did end up contacting us and did what they could to make it right.
I would...
It did! 6/7 eggs hatched! :-) the one that didn’t had popped her yolk sac while attempting to pip, which was a sad accident, but not something I could have prevented.