How do I push a lane advantage?

If I’m ahead in CS and able to solo my laner (specifically as Top), what should I be looking to do? Should I keep farming? Should I rotate to mid/bot? Should I rotate to try to force towers and dragons? I feel like if I rotate I lose a lot of farm. But if I don’t rotate then my team will just feed their brains out. This is low elo, so lane swapping isn’t an option.
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