Those trees are short lived due to a tendency to develop problems down the line. The fact that it did not produce leaves on one side indicates that side is probably dead. I would replace it with a quality species now as this is going to be necessary in time anyway.
If a pines is pruned back farther than where there are living needles on a branch that branch will not regrow. Therefore if you have a branch that is too long you need to cut it back to the trunk or where it joins another branch. There is therefore not a good way to keep a pine more compact due to the fact that they won't regrow from a more severe pruning like most other tree species will. If you want a pine tree to not be so large your best bet is to plant a more dwarf species such as Japanese Black pine.
Plant the paperwhites either in full sun or in an area shaded by a deciduous tree. That way their foliage can get light in late winter to early spring, a critical replenishing period for the bulbs.
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