Those guys usually do this with sets or at worst 2 pairs. So if I have no history with him I fold my one pair and observe him further.
Seriously, if he does this with garbage and you note that then this small fold is nothing compared to what you will make from him.
If bet sizing was smaller (in this case something like 0.06-0.08) I would say it is a smallish pocket pair that wants to see if you will fold your 2 overcards.
I normally raise small donk bets BTW, and no they don't always fold that crappy pair of sevens they donked with but they call it to the end.
If donk bet is a minibet, then I pretend it didn't happen and fire my normal cbet into him.