Career
Dicker plays as a midfielder and currently plays for Kilmarnock. University College Dublin
Born in Dublin, Dicker began his career at League of Ireland side University College Dublin. He joined from his local junior club Cherry Orchard and was gradually introduced into the first team through substitute appearances towards the latter end of University College Dublin"s successful 2004 First Division campaign. Dicker progressed his way into a regular starting position the following season and successfully partnered Tony McDonnell in central midfield for the 2005 and 2006 Premier Division seasons.
During his time at University College Dublin he earned underage honours for Ireland at U-19 and U-21 level
In the 2006 League of Ireland close season he spent a loan spell at Championship side Birmingham City, but he never made it past the reserve team The Birmingham reserve team coach, Keith Bertschin, described Dicker as a "very decent player.
He"s a good technical player, who can see and put in some lovely weighted passes and is decent with both feet". Stockport County
He officially signed for Stockport County on 29 May 2007, for a fee of just £40,000, signing a contract until 1 July 2010.
He played a regular part in Stockport"s 2007-2008 League Two campaign and took part in a promotion for the second time in his career as County successfully negotiated their way into League One via the playoffs.
Brighton & Hove Albion
On 26 March 2009, Dicker initially joined League One side Brighton & Hove Albion on loan for the remainder of the season, where he made nine appearances for the Seagulls, scoring one goal during this spell. On 25 June 2009, Dicker, joined Brighton on a free transfer, signing a two-year contract. On 28 April 2011, having helped Brighton secure promotion to the Championship, Dicker was rewarded with a two-year contract extension.
Dicker, alongside Vicente and Marcos Painter were released at the expiration of their contracts on 16 May 2013.
Rochdale (loan)
On 13 September 2013, Dicker joined Rochdale on an initial five-month loan deal. Crawley Town (loan)
On 23 January 2014, Dicker joined Crawley Town for the remainder of the 2013-2014 season.
Carlisle United
On 27 June 2014, Dicker signed a two-year deal with League Two side Carlisle United. Kilmarnock
On 1 February 2016, Dicker moved to Scottish Premiership club Kilmarnock, signing an eighteen-month contract.
He made his debut in a Scottish Cup tie away to Rangers on 6 February 2016.
Stockport County
League Two play-offs: 2008
Brighton & Hove Albion
Football League One: 2010-2011.