Yes just remember to thaw it out in the fridge, not on the counter. If your going to grind it you don't necessarily have to thaw it completely, just enough to dice.
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THE FOUR SEASONS- ALMOST SUMMER, SUMMER, STILL SUMMER & DEER SEASON
All of the above. Plus the don't refreeze comes from long ago when there wasn't good refrigeration. and was for complete defrost to room temperatures or at worst 90 degrees +in the summer.