Thanks to all who commented- some very instructive criticism which is what I was hoping for. As for the reasoning behind Qd7 I guess it had something to do with preparing for a d5 push, but it matters not. It's obvious I should have moved the knight out first. Whether to d7 or c6. I guess d7 is better.
if you don't like being attacked and can't stand the heat then the dragon is not for you. I prefer the nadjorf or schevengen or however you spell it. They allow black to play sensibly and any player under 1600 will have trouble getting a dominant position or having an overwhelming mating attack. If black survives he usually has better pawns in the endgame and is a favorite to win. I can't remember the last time I played a sicilian endgame and lost as black.