The tricky left winger, who can also operate as a wing-back, was brought into Aggborough on a month's loan in early September.
Birmingham-born Dyer has been a regular in West Brom's reserves but his only first-team action was in a 3-1 League Cup defeat at Wigan last season.
Slightly-built and quick, he will give boss Ian Britton another attacking option and provides competition for Sam Shilton.
This season: 5 games, 1 substitute appearance, 1 goal.
Status: Substitute.
Average Shuttle rating: 6.2 (2 star man awards)
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