Dragonets are like hummingbirds. If there isn't adequate food for them to graze on, it doesn't matter if they take frozen, they will still starve.
If you had a 20 gallon attached refugium, got one to take frozen/pellets and fed the frozen/pellets at least 4 times a day, you could be okay, but otherwise you're slowly starving it.
If you had a 20 gallon attached refugium, got one to take frozen/pellets and fed the frozen/pellets at least 4 times a day, you could be okay, but otherwise you're slowly starving it.