Pascal Chimbonda has branded his six-month stint at QPR as 'the worst of my whole career', but says he is feeling content at Doncaster.
The French full-back completed a move to Loftus Road in January 2011 after being released by Blackburn Rovers.
Neil Warnock drafted him in to help aid QPR's promotion push, but Chimbonda was offered limited opportunities to impress.
It was confirmed that he would be leaving the club in April, with an unhappy three months proving to the 32-year-old that he would be better served looking elsewhere.
"Last season at QPR? It was the worst of my whole career," Chimbonda told France Football.
"I didn't have a good relationship with the coach.
"If the coach doesn't like you even if you are doing well, there is nothing you can do. In the end, he (Warnock) couldn't even look me in the eye."
Chimbonda dropped into the free agent pool over the summer and admits he was targeted by a number of clubs, but found himself short on contract offers.
"In the summer there were a lot of contacts but nothing concrete," he said.
"I could write a book about everything that was proposed to me over the summer. I became fed up.
"I went on trial at Panathinaikos as a left-back. I am not at ease in that position. I can deputise there, but not for a whole season. They made me an offer, but I refused.
"I met the coach of Montreal. He even came to England to see me. But you would rather go to the MLS at the end of your career. I still have a lot of football left in my legs."
Eventually, Chimbonda ended up at Doncaster, with the Championship outfit snapping him up on a short-term deal in September.
That agreement has been extended until the end of the season and Chimbonda claims he is enjoying his football again.
The former Wigan and Tottenham defender said: "I knew a little bit about Doncaster when I came. I knew they liked to play football and that they have a new stadium. That's about it.
"The club have given me an opportunity to do my job again and I want to pay them back. I am happy here."