O'Grady, 27, is currently on loan at Barnsley from npower Championship relegation rivals Sheffield Wednesday until the end of the season.
But the former Leicester man says he will let his football do the talking and the rest will take care of itself.
"I'll definitely assess it at the end of the season, but the infrastructure in the club, well it can't get any better," he told The Star.
"The players couldn't be any more accommodating and the manager (David Flitcroft) is just perfect for me. I'm enjoying it and I'm enjoying my football, which is the most important thing.
"You want to prove that you're a better player than your club believes you are. If I'm not regarded as an important player for the team then you've just got to prove people wrong."
He added: "But if I perform then that [a new deal] will take care of itself."