Main event hand

This post is several days late......

Originally, I was going to post a number of my main event hands, but the only significant hand that was not in some way a bad beat story is the following hand:

hand #1
- mid-level 4 (100/200/25), avg stack ~T$17k, MP's stack ~T$15k, Hero's stack ~T$10k. MP's has been playing fairly conservatively, and took 2 very substantial pots this level (both with a set) to get his stack up from less than T$10k.
- preflop: folded to MP who limps, MP+1 mucks, Hero raises to T$800 with AdQs, folded back to MP who calls (2 players, T$2150 pot size)
- flop: AhJc7s, MP checks, Hero bets T$1000, MP calls (2 players, T$3900 pot size)
- turn: AhJc7s5s, MP donks T$1500, after tanking for ~15 seconds, Hero raises to T$4500, MP tanks for 1 minute then pushes, Hero folds.

I left myself with ~T$3700 after putting in almost 2/3 of my stack. Was this wrong?

During the hand, when MP bet into me on the turn, I was certainly concerned that I was behind in the hand. I elected to make the raise to T$4500 in the hopes that I could set the price for the showdown. (with the rationale that MP would set me all in on the river if I smooth called the turn)

Would it have been better to preserve my stack by calling the turn, and mucking to an all in on the river?

How often is my hand good when MP bets into me like that on the turn?

I currently believe my line of thinking was poor. I'd assume with a better hand, MP donks into me to avoid giving a free turn card once the flush draw came. Based on what MP had seen of me (or if he had been oblivious to how I had been playing), I'd assume that MP would only assume that I would take a free turn card if I didn't have much of a hand. With that assumption, MP is less likely to make a big river bet if he wants a call.

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My next WSOP event is tomorrow: Event #40 $1000k NLHE. This is going to be quite a crapshoot...