Dadonov scored a goal in Saturday's 4-2 win over the Blackhawks.
Dadonov picked up two assists in Tuesday's 4-2 loss to the Sabres.
Dadonov registered an assist and four shots on goal in Thursday's 3-2 double-overtime loss to the Oilers in Game 1.
Dadonov scored a goal on three shots in Monday's 5-1 win over the Avalanche in Game 4.
Dadonov (lower body) is set to be activated off long-term injured reserve and play Wednesday against St. Louis, according to Brian Rea of Bally Sports Southwest.
Dadonov (lower body) will be a game-time decision versus the Blues on Wednesday, Brian Rea of Bally Sports Southwest reports.
Dadonov (lower body) is skating on his own and coach Pete DeBoer is hopeful the 35-year-old winger will be a "possibility" for the playoffs, Brian Rea of Bally Sports Southwest reports.
Dadonov (lower body) was placed on long-term injured reserve Sunday.
Dadonov will be out indefinitely due to a lower-body fracture, according to Stars' radio host Owen Newkirk.
Dadonov scored a goal on two shots, added an assist and went plus-2 in Tuesday's 5-1 win over the Kings.