Bennett, who has watched Henderson's rise to fame closely, reckons Kenny Dalglish has bagged himself one of English football's best talents.
He told The Sun: "People may be questioning the fee but if Liverpool want to pay that, then fine.
"Jordan left for Coventry as a boy but returned a man.
"Yes, he was inconsistent last season but you have to remember how quickly everything has happened for him.
"The lad has come from nowhere to become a Premier League regular. That can have an adverse affect sometimes.
"He'll be pinching himself now. He has over-achieved already but he's still learning."