The 32-year-old forward admitted he jumped at the chance of playing in the top flight once more, after moving to Villa Park from Wigan on loan until the end of the season
The 32-year-old netted just two goals in 21 appearances across all competitions for Championship side Wigan, whom he joined from the Canaries in the close-season.
However the forward, whose past form saw him suggested as an option for England ahead of Euro 2012, is hopeful that he will still be able to make the step-up back to the top flight.
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The striker started his career in the youth ranks at hometown club Carlisle United, but joined non-league Workington when he was released before making a first-team appearance.
A spell in English football's lower reaches followed - as well as stints in Australia and Singapore - which, for a time, Holt combined with working in a food factory to make ends meet.
And the former Norwich City man believes that experience gave him a good grounding in the game.
"I did a few jobs but I was mainly a storeman," he added. "I didn't do it for that long - it was around six months and then fortunately I went to Sheffield Wednesday.
"I've always said that it has moulded me. It has made me realise no matter who you are, you have days when you don't want to go in, but then you cast your mind back to where you were and you think 'well I could be doing that and look what I'm doing now'.
"I think the one thing it has given me is that desire, drive and willingness to succeed at whatever I do, and I think in football I've done that.
"There were times during my career when I wasn't playing and people told me to stay but I left and it proved to be the best thing I did."