The 30-year-old reitired at the age of 24 in 2012 after collapsing on the pitch during an FA Cup game for Bolton against Tottenham.
He is currently undergoing courses to earn his coaching badges.
"Hopefully this can help me finish my badges and see where it takes me," he told Rochdale's official website.
"It's been a fantastic first few weeks and really enjoyable so far.
"For me, it was an opportunity that I just couldn't say no to, and I just want to make the most of it."