Boro's Under-21 captain watched the Glovers' 2-1 win over Portsmouth from the stands and Johnson hopes Dolan can arrive in time to boost his threadbare squad.
Johnson is also keen to bring another player present at Fratton Park, playmaker Kaby Djalo, to the club and described the free agent as "a smaller version of Pele."
"He was at Chelsea, Jose Mourinho had bought him in and he has just come back from Cyprus," he told This is Somerset.
Yeovil are already short on numbers and will have to manage without Carlisle loanee Paddy Madden, whose stay at Huish Park ended after the victory over Pompey, while Sam Foley failed to recover from his hamstring injury in time to feature on Saturday.
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