I think the hand is fine. I mean if you have CO reads provide them but if someome asked me my standard line from the sb facing an unknown CO open in a straddled pot with a hand we want to vpip my answer is almost always going to be "raise".
Do you have the 9
?
Its unfortunate that an old man's cold calling range is always going to be 99-QQ but at the same time for the rare times its KQs+ or whatever you need to cbet and i like your sizing suggestion.