The 20-year-old striker bagged the equaliser at the end of the first half and played for just over an hour in his first appearance since suffering the injury whilst on international duty with England Under-19s in May 2012.
Although admitting it was a frustrating spell on the sidelines, the young attacker is keen to make up for lost time as he gets his promising career back on track.
"It was really enjoyable just to get back on the pitch with the lads," Keane told MUTV. "It wasn't so much about the performance but just going out and enjoying myself.
"It's been frustrating for the past year but I'm putting all that behind me now and there's finally light at the end of the tunnel. I enjoyed it.
"It was nice to get back to scoring ways. Obviously, I go into every game to try and score so that was always nice but I struggled to get into the game in the first half. It was quite scrappy - we had a lot of possession but didn't move it quickly enough really. We rallied together in the second half and came together, passed the ball a lot quicker, got in their faces more and created more chances.
"Warren [Joyce] was saying he wanted me to play 90 minutes really and I was itching to play as many minutes as possible. But they said from the medical point of view that 60 minutes was the right amount today. I felt I could have played on and, when I saw the scoreboard go up, I was a bit gutted but