I'm not sure if this is what you're looking for, but it's very similar, though it's Jared who has a son, and Jensen works in a daycare. The woman who tries to take Jared's child is his biological mother, who gave him to Jared and his partner at the time, Chad, to raise, and gave up all rights to him.
This may not be it, but I thought I'd comment anyway on the off chance that it is.
Lost and Running (Somewhere I Lay Down My Arms (http://c-ntbucket.livejournal.com/21537.html) by rupie88.
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Date: 2009-05-26 06:26 pm (UTC)This may not be it, but I thought I'd comment anyway on the off chance that it is.
Lost and Running (Somewhere I Lay Down My Arms (http://c-ntbucket.livejournal.com/21537.html) by