Well, I don't really see a problem with either of the hands other than the size of the turn bet of the first hand. After the first two calls with only middle pair and a jack kicker you might have put the guy on atleast a king and just continued with a 5k bet "that would still be nearly half the pot" to see where you were at. In this hand that would have only saved you 3k but in the long run it will help alot.
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