Quote Originally Posted by Vi-Zer0Skill
Raising with K-Qo on a 7c-7d-2h flop is better than doing so with 5-5, for example. This is because when you raise the flop you are essentially forcing villain to continue only if he has a pair/set(a made hand).
Raising with any hand here does the same thing. Overcards don't accomplish this better than a small pair.

Quote Originally Posted by Vi-Zer0Skill
...the general concept is that with weak made hands it makes more sense to avoid putting money into the put before you know more information about your opponents hand/see another card. However if you have a drawing hand on a board where weak made hands will be pressured to fold, raising is often a good option.
Raising in spots like my example above always pressures weak hands to fold. Your hand does not change your fold equity.