Bobby-Joe Taylor is joining the Whites on a one-month loan from fellow National League side Bromley.
The 23-year-old has great pace and is looking for more game time across Kent.
Taylor is well known in the county having spent two seasons at Maidstone United - earning promotion in that time, pictured.
Dover take their survival quest to Braintree on Saturday for what is a huge game down the bottom.
They then have two big matches against sides out of form, at home to Dagenham and Maidenhead United.
Hessenthaler left Eastleigh to return to the club earlier this month and feels safety is achievable.