But could a destructive habit be linked to a physical dependency on the dopamine one gets from that behavior?

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I'm doubtful that physical dependency on an internally-produced chemical is a meaningful construct.

Even so, many things provide dopamine, not just the specific "addictive" behavior. Habituation would suggest that the individual should get more dopamine from a non-habitual source than from their habitual source. So physical dependency should promote variety of behavior rather than behavioral "addiction".